A steel rod with a cross sectional area of 150 mm? is stretched between two fixed points. The tensile load at 20°C is 5000 N. a.) What will be the stress at -20°C? b.) At what temperature will the stress be zero? Assume a = 11 .7 µm/m°C, and E = 200 Gpa

A steel rod with a cross sectional area of 150 mm? is stretched between two fixed points. The tensile load at 20°C is 5000 N. a.) What will be the stress at -20°C? b.) At what temperature will the stress be zero? Assume a = 11 .7 µm/m°C, and E = 200 Gpa

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter1: Introduction

Section: Chapter Questions

Problem 1.5.2P: A tensile test was performed on a metal specimen having a circular cross section with a diameter of...

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Question

PROBLEM 1
A steel rod with a cross sectional area of 150 mm? is
stretched between two fixed points. The tensile load at
20°C is 5000 N.
a.) What will be the stress at -20°C?
b.) At what temperature will the stress be zero?
Assume a = 11 .7 µm/m°C, and E = 200 Gpa
*Show geometry of deformation
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